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STM32F091CB 数据表(PDF) 93 Page - STMicroelectronics |
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STM32F091CB 数据表(HTML) 93 Page - STMicroelectronics |
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93 / 127 page  DocID026284 Rev 3 93/127 STM32F091xB STM32F091xC Electrical characteristics 99 6.3.19 Temperature sensor characteristics 6.3.20 VBAT monitoring characteristics 6.3.21 Timer characteristics The parameters given in the following tables are guaranteed by design. Refer to Section 6.3.14: I/O port characteristics for details on the input/output alternate function characteristics (output compare, input capture, external clock, PWM output). Table 62. TS characteristics Symbol Parameter Min Typ Max Unit TL(1) VSENSE linearity with temperature - ± 1 ± 2°C Avg_Slope(1) Average slope 4.0 4.3 4.6 mV/°C V30 Voltage at 30 °C ( ± 5 °C)(2) 1.34 1.43 1.52 V tSTART(1) ADC_IN16 buffer startup time - - 10 µs tS_temp(1) ADC sampling time when reading the temperature 4- - µs 1. Guaranteed by design, not tested in production. 2. Measured at VDDA = 3.3 V ± 10 mV. The V30 ADC conversion result is stored in the TS_CAL1 byte. Refer to Table 3: Temperature sensor calibration values. Table 63. VBAT monitoring characteristics Symbol Parameter Min Typ Max Unit R Resistor bridge for VBAT -2 x 50 - k Ω Q Ratio on VBAT measurement - 2 - Er(1) Error on Q –1 - +1 % tS_vbat(1) ADC sampling time when reading the VBAT 4- - µs 1. Guaranteed by design, not tested in production. Table 64. TIMx characteristics Symbol Parameter Conditions Min Typ Max Unit tres(TIM) Timer resolution time -- 1 - tTIMxCLK fTIMxCLK = 48 MHz - 20.8 - ns fEXT Timer external clock frequency on CH1 to CH4 -- fTIMxCLK/2 -MHz fTIMxCLK = 48 MHz - 24 - MHz tMAX_COUNT 16-bit timer maximum period -- 216 - tTIMxCLK fTIMxCLK = 48 MHz - 1365 - µs 32-bit counter maximum period -- 232 - tTIMxCLK fTIMxCLK = 48 MHz - 89.48 - s |
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